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Typical Greater Boston range for this kind of work, from regional averages — not a quote from Northstar Heating and Cooling. Use it to sanity-check bids, then get the real number in writing.
Estimated range
$5,000 – $11,400
Typical HVAC project around $8,200
Northstar Heating and Cooling is an Orleans HVAC company whose customers describe dead furnaces and air conditioners running again the same day, once in the middle of a storm. It says it has served the Cape and Islands since 1992, installing, repairing and maintaining heating, cooling and indoor-air systems, and its team page lists Bill O. as owner. Google shows 4.7 stars from 85 ratings. In a January 2026 review, a homeowner woke to a 58-degree house during a storm, and Chris came out in worsening weather and travelled at least an hour to the office and back for a part that would work until the right one could be ordered. A May 2026 reviewer came home before Memorial Day weekend to a dead furnace and had a repair visit that evening; another said the office talked them through a reset by phone before a technician arrived at 6:30 PM with the part on his truck. A May 2026 customer said Ian diagnosed a heating problem that three other companies could not. In 2026 reviews, maintenance customers describe shoe covers, pressure tests and a walk-through of the results, and one with a maintenance contract has the system checked twice a year. A July 2026 reviewer had two mini splits installed. In July and August 2025, two customers described unreturned calls and no-shows over months before they gave up and hired another company; one said each technician gave a different diagnosis for the same AC problem. A December 2024 reviewer waited for a scheduled furnace maintenance visit that never came, with no call, and said it was not the first time. In a March 2023 review, a customer said they were still waiting for an installation estimate more than six months after the August 2022 visit. An August 2025 customer who got same-day AC service called it a bit pricey but worth it. William H. Olson's Massachusetts HVAC licence #5727-SM-M1 is active on the state registry. Its BBB rating is A+.
Showed up on schedule, solved the issue with AC quickly and professionally.
Everyone is a pleasure to deal with. Prompt efficient service.
Great company, great personnel, great service! I highly recommend them
Excellent service . Chris did a great job at the end of a long day for him
I have used Northstar at my home for over 20 years. Their work is excellent. All of the technicians are good at what they do and determined to solve even the most challenging problems. I highly recommend them for new projects as well as maintenance and repair.
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2 changes recorded — last scanned Sep 30, 2026.
Furnace replacement2.6
A customer reports over 40 years with the family5.0
Same-day fixes during heat waves5.0
Seasonal water service3.7
Same-day response3.5
Service for a customer’s parents and grandparents3.2